BLU Home Initiative

BLU Home is dedicated to benefit The De Rosa Foundation For Colon Cancer Research And Prevention a 501 C (3) not-for-profit organization with its mission to spread awareness and promote research and prevention of colorectal cancer. All proceeds raised by the foundation through contributions from this initiative will be distributed equally to support the Hereditary Colorectal Cancer Family Registry at Memorial Sloan-Kettering Cancer Center under the direction of José G. Guillem M.D., MPH, FACS and The North Shore University Fellowship in Colon and Rectal Surgery under the direction of John A. Procaccino, M.D., FACS, FASCRS.

By retaining a real estate broker referred by BLU Home to either sell or buy real estate you will work together towards a common goal to raise much needed funds to help spread awareness, promote research and prevention through early detection and treatment.

BLU Home Mission Statement

Helen Constantopes Tzelios sits on the Board of Directors as secretary of The DeRosa Foundation. As a Licensed RE Broker Associate of Douglas Elliman Real Estate she established BLU Home Initiative together with Dalia Elison, also a Licensed RE Sales Person,   to continue to support The DeRosa Foundation For Colon Cancer Research and Prevention.

They structured this real estate service platform to enable a group of licensed real estate brokers from various offices throughout the United States to donate a percentage of their commissions to the Foundation on behalf of their clients. Each of the carefully screened and selected professionals are not only successful within the communities they service, but also had the dreadful disease cancer hit home, as they or their loved ones were diagnosed. The real estate brokers associated with the BLU Home Initiative have also demonstrated tireless efforts and an ongoing personal commitment to the fight against cancer with an active role in cancer organizations.

Contact BLU Home

Call Toll Free: 1(844) BLU-Home / 1(844) 258-4663

Register a BLU Home Prospect

Use the form below to refer a home buyer and/or seller to BLU Home.

Referring Supporter:

Referer Email Address:

Property Listing
Property Owners Name:


Contact Phone Number

Email Address

Buyers Name:


Property Style:




Buyer Phone Number:

Email address:

Helen Constantopes Tzelios
Helen Constantopes TzeliosLicensed RE Broker Associate
Helen Tzelios is a Licensed RE Broker Associate and an International Property Specialist (CIPS). Having the CIPS designation enables Helen to target global markets for additional exposure to advertise her listings, and also to service international clients here in the New York Area. Helen is a consistent Top Producer and a Chairmans Gold Circle, Presidential Circle and Leading Edge award recipient. She began her Residential Real Estate career at Douglas Elliman Real Estate in the year 2000 as a Licensed Sales Associate, a specialist in Residential Sales & Leasing, servicing the Northeastern & Northwestern sections of Queens County as well as the North Shore of Long Island. Her areas of strength and expertise are in the resale and leasing of residential and investment properties as well as in new development consulting and sales. Prior to her career in Residential Sales and leasing with Douglas Elliman RE, she worked for various large commercial real estate and construction corporations based in NYC as an accountant in their corporate management & accounting departments. Helen attended the College of Business Administration at St Johns University where she majored in Accounting/Finance.

In addition to her active real estate business schedule. Helen is also on the board of directors as secretary of The DeRosa Foundation for Colon Cancer Research and Prevention, a 501 C (3) not- for-profit organization dedicated to raising colon cancer awareness and promoting colon cancer research to advance its prevention and early treatment. All proceeds raised by the foundation benefit a research team at Memorial Sloan Kettering Hospital and the university fellowship in colorectal surgery at North Shore University Hospital. Helen established BLU Home Initiative, a real estate service platform that enables a group of licensed real estate brokers from various offices to donate a percentage of their commissions to the Foundation on behalf of their clients.

Her strengths as a Broker come from a combination of her education and prior corporate background as well as extensive knowledge in her Market Area. Her honesty, professionalism and knowledge result in gained trust from her loyal following of satisfied customers and clients who are her best testimonials to a job well done.

Dalia Elison
Dalia ElisonLicensed RE Salesperson
Dalia’s expertise lies in her extensive knowledge of the Luxury Properties Market on The North Shore of Long Island, known as The Gold Coast. Dalia is a Certified Luxury Home Marketing Specialist. She has worked closely with builders, contractors and architects in the world of new construction. Her insight as to the needs of her clients as well as real estate values is unparalleled. With a solid sales track record as well as a diverse clientele of buyers, sellers, and investors, Dalia swiftly transforms challenges into opportunities. Currently residing in Old Westbury, Dalia is a North Shore veteran of 30 years. Initially a premed student, Dalia went on to complete BA, and Master’s degrees in Computer Science and Psychology, with a minor degree in Math. Her entrepreneurial spirit appeared at age 16, where she established and managed a wholesale jewelry (gold and diamonds) business. Her knowledge and love of math eventually led her to the banking industry, where she managed client accounts, as well as the foreign currency exchange in international banking. Dalia’s passion for real estate, and her genuine concern for meeting the needs of her clients, is evident in her unique consultative approach. From first time home buyers, to seasoned investors, to the savvy seller, Dalia achieves optimum results by educating clients on market conditions and helping them through every facet of their transaction. By aiding both buyers and sellers in their understanding of the market, she leads clients through a well-informed decision making process, which results in buyers realizing their dream home, and sellers maximizing deals through strategic pricing and marketing. Dedicated and customer service driven, Dalia devotes herself to ensuring that every individual is attentively catered to in all aspects of his/her real estate experience. Dalia is a supporter of worthy causes that are close to her heart, such as Susan G. Komen, American Cancer Society, Memorial Sloan Kettering, Make a Wish Foundation, and Penelope’s Odyssey. She is also on the advisory board of Friends of Karen, and a board member of The DeRosa Foundation.

*Highly personalized service
*Discretion and privacy are always priorities
*Building local & global relationships one client at a time
*Partnership with Europe’s leading luxury real estate firm Knight Frank

Chris Pappas
Chris PappasLicensed RE Salesperson
Son of a Gastroenterologist, Chris Pappas understands the importance of raising colon cancer awareness and promoting colon cancer research to advance in its prevention and early treatment. Therefore, he has committed himself to work with The DeRosa Foundation and partner in the ‘Blu-Home’ initiative.

Exclusively selected to work as a team member in Douglas Elliman’s boutique commercial division, Chris works closely with the Vice President of Commercial Services who together are committed to unrivaled performance standards when working with tenants, investors, purchasers and owners. Chris represents all major property types including office, industrial, retail, apartment and land. He treats each assignment with commitment and focus from a single transaction in a local market to national and multi-market assignments.

Chris is well in tune with how today’s real estate buyer shops for property. He understands what they are looking for, and as importantly, specializes in getting deals done. As a commercial property owner, and formerly in the mortgage business, Chris is also well aware of the financial implications of bringing a deal to close; yet he never downplays the emotional aspects involved in a transaction.

Chris’ career has always been in sales, real estate and customer service, his true passions. He blends real world business and real estate experience that makes him an expert in his field. Born and raised in Manhasset, Chris earned a BBA in Finance from Hofstra University then managed a mortgage compliance division of a local wholesale bank. He moved to Greenpoint Savings Bank (which became Capital One) where he was a wholesale banker of both residential and commercial loans, later obtained his real estate salesperson’s license, and ventured out to open his own businesses which he ultimately sold.

Highly enthusiastic, entrepreneurial, sociable and creative, Chris knows how to successfully bring people and ideas together to achieve a meeting of the minds. Whether you are buying, selling or renting, he is a wealthy source of knowledge and valuable partner in the entire real estate process. Chris is a Certified Buyer Representative (CBR) who is committed to excelling his profession.

Commercial Coordinator at Douglas Elliman Commercial Division
Member of the Long Island Board of Realtors (LIBOR)
Member of the New York State Association of Realtors (NYSAR)
Member of the National Association of Realtors (NAR)
Member of the Long Island Commercial Network (LICN)
Member of the Long Island Real Estate Group (LIREG)
Member of American Hellenic Educational Progressive Association (AHEPA)